--- title: AdBlue in a Diesel Tank Claudy? Next Steps canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/claudy-county-londonderry/ location: Claudy county: County Londonderry latitude: 54.912220 longitude: -7.157220 service: AdBlue in a Diesel Tank updated: 2026-10-11 --- # AdBlue in the Diesel Tank in Claudy: What Now? Everything turns on a single detail: whether the engine has been run after the AdBlue went in — far more than anything else. If it has not, keep it that way, whether your car is in Claudy itself or out in Straidarran. Keep nothing on, phone 0333 366 0103, and expect a thorough flush after a drain, carried out right where your vehicle stands in Claudy. Where the engine has run, stop somewhere safe straight away, then turn the vehicle off. Stage one stays unchanged, even though the job grows. Match what happened to one of the list below, wherever in County Londonderry you happen to be. ## At the pump in Claudy: AdBlue in a diesel Picture it: standing by the petrol pump, gripping the bottle, you realise the filler you opened wasn't the correct one. Whether the nearest petrol station, another forecourt nearby or somewhere else in Claudy, the situation is the same. Meaning? Spotting it on the forecourt is the best it gets. Still inside your tank, with nothing pulled through: that's where the AdBlue sits. Freeing the petrol pump is no reason to start it — and so do not get back in. Phone us from the forecourt after the car is in a bay — the attendants will lend a hand to push it — then keep the bottle. Stuck beside the petrol pump? Explosion-proof equipment makes a busy forecourt sensible, and so we can drain the car where it is. ## At home around Claudy with AdBlue in your diesel tank The warning light had been on for days. Picked up a container, poured it in at home, binned the empty — and only then looked at the cap again, after the fact. Houses just off Crown Street get caught out as often as everywhere else. What it means: if you have not driven since, this is nearly as good as the forecourt. Being reluctant to mix, AdBlue settles to the base in the tank and waits. One night parked changes nothing. Next: stop an early move by keeping the keys indoors, then phone us. Your drive is where it is emptied, be it in Claudy or Killaloo. Even at night, the pumps are quiet enough for a residential street. ## AdBlue in a diesel and already driving in Claudy? You filled up, set off, and a mile or two later the motor began to run roughly, smoke, lose power or light up the dashboard. Perhaps it was on Rock Street, maybe on the way out towards Derry, under 10 miles away. The point: the system has drawn AdBlue through by now. The high-pressure pump and every injector get it as well on a bigger trip, after the fuel filter and pipework have had it. It travels further with each extra mile driven and every restart. Stop somewhere safe — that is the next step — then switch everything off. Claudy sits over 50 miles from the M77; on it, come off at the next junction instead of pushing on for the services. It will not have cleared, so there's no point starting it again to find out. Let us know the distance covered as you ring. ## AdBlue in the wrong tank: hire, lease and company vehicles You have just had this car a week. The AdBlue filler sits right alongside the diesel one, which you did not know, because your own vehicle either has no AdBlue or keeps it somewhere else. Wherever you happen to be in County Londonderry, any driver could be caught. What it means: the same as the scenarios above, depending on whether it's run, with one more stage. The owner often has to sign off the work, under plenty of rental and fleet agreements. What to do: call the hire firm or your fleet manager first, then us. That is quicker settled before our technicians arrive than after. If you are stranded in the car park at the nearest station, or by the centre, while you wait for an answer, leave the car off. ## Unsure about AdBlue in your diesel tank around Claudy? At times the honest answer is "I think so". A faint ammonia smell hangs near your filler, the bottle feels too light, and which cap came off is a blur. A rushed stop by the gates of the local primary school, or a call to a friend in Goshedan: both fits. In short: spillage round your filler does your motor no harm. If it's inside your diesel tank, though, that changes. Any AdBlue in your tank will be sucked in by turning on the vehicle, and the start wouldn't settle which it is in any case. Next: act as though it went in, then leave your motor off. Call us and describe what you saw; we would rather check a tank that turns out clean than drain one that has already been run. ## What each AdBlue drain in Claudy has in common No matter the situation, one start applies. Three things are asked when we arrive — at a filling station, a driveway, a road by a street just off the centre or the car park at the pub in the village: the fluid, the quantity, and whether the motor has run. Those replies decide the work, and you hear the price by phone, before anyone sets off. AdBlue forms crystals and eats at certain metals used in fuel systems, so it won't rinse out unaided; that is why the flush, after this drain, counts much more with AdBlue than with petrol. Clean diesel goes in once the filter has been flushed or changed, and the car is then tested. If your engine has not run, most jobs take about half an hour once we're there. Starting the car comes at the end. With fresh diesel in, it runs while our technicians check it's running smoothly, and then we leave. Our engineers do the entire job where the car is, and lasting damage is very uncommon when it has been spotted soon. Payment comes on the day, never upfront. For the insurer, you get a VAT invoice and a report from the engineer. It is worth remembering: lots of insurers include misfuelling cover, so a quick look at your policy as we travel is worthwhile. ## About Claudy Claudy is a locality in County Londonderry, situated inland at an elevation of 117 metres, approximately 8 miles from Derry. Claudy is characterised by its predominantly detached housing stock and is surrounded by nearby places such as Killaloo, Foreglen, and Ballyrory. Claudy has a population of around 1335 people and is located about 373 miles northwest of London. ## AdBlue drains across County Londonderry, Claudy included Claudy is a small village, and the same vans that cover it work the places near it too, Foreglen and Ballyrory among them, across the BT postcode area. Telling us your BT47 4 postcode finds you quickest of all. No towing is required, be it stopped in the centre of Claudy or in a layby en route to the green space at the edge of the village, so keep it put. Our technicians drain the car where it sits. If you're somewhere hard to describe, near the far end of the built-up part or close to a boundary, ring and ask instead of guessing. ## The one-line version Engine never started: ring, leaving it switched off. Whatever line fits, Petrol in Diesel handles the rest on 0333 366 0103, across County Londonderry and in Claudy — once you pull over, turn off then ring, if it's run.